Stability detection device for foaming agent of shield tunneling machine

Abstract

The utility model discloses a stability detection device for a foaming agent of a shield tunneling machine, and aims to provide the stability detection device for the foaming agent of the shield tunneling machine, which is capable of carrying out self-cleaning in an inner detection barrel after detection is finished. The device comprises a detection tube, a tube brushing assembly and a sealing assembly, the sealing assembly is installed at the lower end of the detection tube, the tube brushing assembly is installed at the upper end of the detection tube, the lower end of the tube brushing assembly is arranged in the detection tube, an injection tube is arranged at the lower end of the detection tube, and the injection tube is communicated with the detection tube. The self-cleaning foaming agent detection barrel has the advantages that after detection is finished, self-cleaning is carried out in the inner detection barrel, foaming agents can flow out conveniently, the outflow pipe can be closed, the inner wall of the detection pipe can be cleaned conveniently, cleaning can be more thorough, and the state of the foaming agents can be observed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foaming agent detection related technical field especially point to a kind of stability detection device of shield machine foaming agent. BACKGROUND

[0002] With the continuous acceleration of urbanization, the construction of subway using shield construction method becomes increasingly common. In the process of shield construction, the shield muck needs to be improved. The most commonly used shield muck improver is foaming agent. When used, the shield muck generated by cutter disc cutting needs to be fully mixed with foaming agent. Therefore, the stability of foaming agent is very critical. If the stability of foaming agent is not good, it is easy to cause the shield muck not to reach the "flow plasticity" state, and thus the shield muck appears to be mud cake, gushing and other problems, which affects the normal progress of shield construction. The stability of foaming agent refers to the ability of foam to maintain its form and function under certain conditions. Therefore, when detecting the stability, it is usually necessary to inject foaming agent into the detection barrel for observation. After the detection is completed, the detection barrel needs to be cleaned. At present, the detection barrel is mostly cleaned manually, which is relatively inconvenient.

[0003] Chinese patent authorization announcement number: CN212254952U, authorization announcement date: November 24, 2010, discloses a stability detection device for foaming agent and a decay barrel, which comprises a barrel body provided with a containing cavity, an inlet and an outlet communicating with the containing cavity, and a screening assembly arranged in the containing cavity and between the inlet and the outlet. The screening assembly comprises at least two oppositely arranged screening members provided with screening holes for screening foam. The utility model has the disadvantages of lacking a cleaning device after detection, which is not easy to clean and is not conducive to the next detection. UTILITY MODEL CONTENT

[0004] The utility model is to overcome the lack of corresponding cleaning device in the prior art to clean after detection, and provides a stability detection device for shield machine foaming agent for self-cleaning in the detection barrel after detection.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A stability detection device for shield machine foaming agent, comprising a detection tube, a brush tube assembly and a sealing assembly, the sealing assembly is installed at the lower end of the detection tube, the brush tube assembly is installed at the upper end of the detection tube, the lower end of the brush tube assembly is placed in the detection tube, and the lower end of the detection tube is provided with an injection tube, and the injection tube communicates with the detection tube.

[0007] The lower end of the detection tube is provided with an injection pipe, through which the foaming agent is injected into the detection tube. When the foaming agent is injected, the lower end of the detection tube is closed by the sealing assembly. After the sealing, the volume change of the foaming agent in the detection tube is observed to detect the half-life of the foaming agent and the stability of the foaming agent. After the detection is completed, the sealing assembly at the lower end of the detection tube is opened, the brush pipe assembly at the upper end of the detection tube is actuated to push the foaming agent on the inner wall of the detection tube to the lower end to flow out, and the self-cleaning process is performed, so that the self-cleaning of the detection barrel is achieved after the detection is completed.

[0008] Preferably, the upper and lower ends of the detection tube are open, the lower end of the detection tube is provided with a drainage pipe, the drainage pipe is funnel-shaped, the upper end of the drainage pipe communicates with the detection tube, and the lower end of the drainage pipe is provided with an outlet pipe. The upper and lower ends of the detection tube are open, the upper end is used to install the brush pipe assembly for cleaning, and the lower end is used to flow out the foaming agent. The lower end of the detection tube is provided with a drainage pipe, the upper end of the drainage pipe communicates with the detection tube, and the lower end is provided with an outlet pipe. The funnel-shaped drainage pipe can better guide the foaming agent to flow out of the detection tube, and the outlet pipe at the lower end of the drainage pipe is convenient for installing the sealing assembly, which facilitates the flow of the foaming agent.

[0009] Preferably, one side of the outlet pipe is provided with a slot, the sealing assembly comprises a sealing plate and a pneumatic cylinder, the sealing plate is arranged in the slot, one end of the sealing plate corresponds to the outlet pipe, the other end of the sealing plate passes through the slot and is arranged outside the outlet pipe, the pneumatic cylinder is arranged on the outlet pipe, and the pneumatic end of the pneumatic cylinder is connected with the end of the sealing plate arranged outside the drainage pipe. The sealing assembly is arranged on the outlet pipe, the slot is arranged on one side of the outlet pipe, the shape of the slot corresponds to the shape of the sealing plate, the sealing plate is inserted into the slot, the sealing plate can slide in the slot, one end of the sealing plate is arranged outside the outlet pipe, the sealing plate is moved by the pneumatic cylinder arranged on the outlet pipe, the sealing plate can close the outlet pipe when the sealing plate is attached to the slot, and the outlet pipe is opened when the sealing plate slides in the slot. This design can close the outlet pipe.

[0010] As preferred, the brush pipe assembly comprises a mounting frame, a push plate, a screw rod and a motor, the mounting frame is installed at the upper end of the detection pipe, the push plate is installed at the lower end of the screw rod, the push plate corresponds to the detection pipe, the mounting frame is provided with a lifting hole, a limiting block is installed in the lifting hole, the upper end of the screw rod is arranged on the upper end of the mounting frame after passing through the lifting hole, the screw rod is provided with a limiting slot, the screw rod is slidably connected with the mounting frame through the cooperation of the limiting block and the limiting slot, a rotating block is installed on the mounting frame, the rotating block is rotatably connected with the mounting frame, the rotating block is provided with a threaded hole, the rotating block is threadedly connected with the screw rod through the threaded hole, the rotating block is provided with a gear ring, a motor seat is installed on the mounting frame, the motor is installed on the motor seat, a gear is installed on the motor shaft of the motor, and the gear is engaged with the gear ring. After the stability detection of the foam agent is completed, the motor installed on the motor seat drives the gear to rotate, the rotating block engaged with the gear ring is driven to rotate through the rotation of the gear, the rotating block can rotate on the mounting frame since the rotating block is rotatably connected with the mounting frame, the screw rod can only move up and down in the lifting hole of the mounting frame since the limiting block and the limiting slot cooperate, and the rotating block is connected with the screw rod through the threaded hole of the rotating block, so that the rotation of the rotating block can realize the lifting of the screw rod, and the lifting of the screw rod can drive the push plate at the lower end to move up and down in the detection pipe, thereby cleaning the detection pipe, and the design is convenient for cleaning the inner wall of the detection pipe.

[0011] As preferred, the push plate is provided with a plurality of circumferentially distributed spray heads. Since the inner wall of the detection pipe is cleaned by the push plate, and the bottom of the push plate and the detection pipe is inevitably left with foam agent, in order to ensure complete cleaning for the next detection, a plurality of circumferentially distributed spray heads are installed on the push plate, the lower end of the spray head is arranged in the detection pipe, and water is sprayed into the detection pipe through connection with an external water source, so that the bottom surface of the push plate and the residual in the detection pipe are cleaned when the push plate moves to the bottom end, and the design can be more completely cleaned.

[0012] As preferred, the detection pipe is provided with an observation hole, the observation hole is provided with an observation plate, and the observation plate matches the observation hole. In order to more conveniently observe, the observation hole is arranged on the detection pipe, and a transparent observation plate is installed in the observation hole, which is used for observing the stability of the foam agent in the inner part, and the design is convenient for observing the state of the foam agent.

[0013] The utility model discloses the beneficial effects are: after the detection, the self-cleaning of the inner detection bucket is carried out, the foam agent can flow out, the outlet pipe can be closed, the inner wall of the detection pipe can be cleaned, can be more completely cleaned, and the state of the foam agent is convenient for observing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is the structural schematic view of the utility model;

[0015] Figure 2 It is Figure 1 It is the structural schematic view of the detection tube in the utility model;

[0016] Figure 3 It is Figure 1 It is the structural schematic view of the sealing assembly in the utility model;

[0017] Figure 4 It is Figure 1 It is the structural schematic view of the brush tube assembly in the utility model;

[0018] Figure 5 It is Figure 4 It is the structural schematic view of the mounting frame in the utility model.

[0019] In the drawing: 1, detection tube; 11, injection pipe; 12, drainage pipe; 13, outflow pipe; 14, insertion slot; 15, observation hole; 16, observation plate; 2, brush tube assembly; 21, mounting frame; 22, push plate; 23, screw rod; 231, limiting slot; 24, motor one; 25, lifting hole; 26, limiting block; 27, rotating block; 271, screw hole; 272, gear ring; 28, motor base; 29, gear one; 3, sealing assembly; 31, sealing plate; 32, pneumatic cylinder; 4, shower head. DETAILED DESCRIPTION

[0020] The utility model will be described further in combination with the drawings and specific embodiments.

[0021] As Figure 1 In the embodiment, a kind of stability detection device of shield machine foam agent, including detection tube 1, brush tube assembly 2 and sealing assembly 3, sealing assembly 3 installs the lower end of detection tube 1, brush tube assembly 2 is installed at the upper end of detection tube 1, the lower end of brush tube assembly 2 is placed in detection tube 1, and the lower end of detection tube 1 is equipped with injection pipe 11, and injection pipe 11 is communicated with detection tube 1.

[0022] As Figure 2 As shown in the drawing, the upper and lower ends of detection tube 1 are both opened, and the lower end of detection tube 1 is provided with a drainage pipe 12, which is in the shape of a funnel, and the upper end of the drainage pipe 12 is communicated with the detection tube 1, and the lower end of the drainage pipe 12 is provided with an outflow pipe 13.

[0023] As Figure 3 As shown in the drawing, the side of outflow pipe 13 is provided with an insertion slot 14, and the sealing assembly 3 includes a sealing plate 31 and a pneumatic cylinder 32, the sealing plate 31 is placed in the insertion slot 14, one end of the sealing plate 31 corresponds to the outflow pipe 13, the other end of the sealing plate 31 is placed outside the outflow pipe 13 after passing through the insertion slot 14, the pneumatic cylinder 32 is installed on the outflow pipe 13, and the pneumatic end of the pneumatic cylinder 32 is connected with the one end of the sealing plate 31 placed outside the drainage pipe 12.

[0024] As Figure 4 , Figure 5 shown, the brush tube assembly 2 includes a mounting frame 21, a push plate 22, a screw rod 23 and a motor 24, the mounting frame 21 is mounted on the upper end of the detection tube 1, the push plate 22 is mounted on the lower end of the screw rod 23, the push plate 22 corresponds to the detection tube 1, the mounting frame 21 is provided with a lifting hole 25, a limiting block 26 is installed in the lifting hole 25, the upper end of the screw rod 23 passes through the lifting hole 25 and is placed on the upper end of the mounting frame 21, the screw rod 23 is provided with a limiting groove 231, the screw rod 23 is slidably connected with the mounting frame 21 through the cooperation of the limiting block 26 and the limiting groove 231, a rotating block 27 is installed on the mounting frame 21, the rotating block 27 is rotatably connected with the mounting frame 21, the rotating block 27 is provided with a threaded hole 271, the rotating block 27 is threadedly connected with the screw rod 23 through the threaded hole 271, the rotating block 27 is provided with a gear ring 272, a motor seat 28 is installed on the mounting frame 21, the motor 24 is installed on the motor seat 28, a gear 29 is installed on the motor shaft of the motor 24, the gear 29 is engaged with the gear ring 272. A plurality of spraying heads 4 are installed on the push plate 22 in a circumferential distribution.

[0025] The detection tube 1 is provided with an observation hole 15, and an observation plate 16 is installed in the observation hole 15, and the observation plate 16 matches the observation hole 15.

[0026] When detecting the stability of the foam agent, the pneumatic cylinder 32 first acts to insert the sealing plate 31 into the insertion slot 14, and to seal the outflow pipe 13 at the lower end of the detection tube 1, thereby ensuring the sealing of the lower end of the detection tube 1. After sealing, the foam agent is injected into the detection tube 1 through the injection pipe 11, and the stability of the foam agent inside the detection tube 1 is observed through the observation plate 16 on the detection tube 1.

[0027] After the detection is completed, the pneumatic cylinder 32 acts to move the sealing plate 31 out of the insertion slot, and to open the outflow pipe 31, and then the motor 24 acts to drive the gear 29 to rotate, and the rotation of the gear 29 drives the rotating block 27 engaged with the gear ring 272 to rotate, and since the rotating block 27 is rotatably connected with the mounting frame 21, the rotating block 27 can rotate on the mounting frame 21, and since the limiting block 26 cooperates with the limiting groove 231, the screw rod 23 can only move up and down in the lifting hole 25 of the mounting frame 21, and the screw rod 23 is connected with the rotating block 27 by passing through the threaded hole 271 of the rotating block 27, so that the rotation of the rotating block 27 can realize the lifting of the screw rod 23, and the lifting of the screw rod 23 can drive the push plate 22 at the lower end to move up and down in the detection tube, thereby cleaning the inside of the detection tube 1. When the push plate 22 is pushed to the lower end of the detection tube, the spraying heads 4 are started to thoroughly clean the inner wall of the detection tube 1.

Claims

1. A device for detecting stability of a foam agent for a shield tunneling machine, characterized by, The utility model provides a detection tube (1), brush pipe subassembly (2) and sealing assembly (3) including, sealing assembly (3) installs detection tube (1) lower extreme, brush pipe subassembly (2) is installed in detection tube (1) upper extreme, brush pipe subassembly (2) lower extreme is placed in detection tube (1), detection tube (1) lower extreme is equipped with injection pipe (11), injection pipe (11) with detection tube (1) intercommunication.

2. The device for detecting stability of a foam agent for a tunneling machine according to claim 1, wherein Detection tube (1) both upper and lower ends are open, and a drainage tube (12) is installed at the lower end of the detection tube (1), the drainage tube (12) is funnel-shaped, the upper end of the drainage tube (12) is in communication with the detection tube (1), and a flow-out tube (13) is installed at the lower end of the drainage tube (12).

3. The device for detecting stability of a foam agent of a shield tunneling machine according to claim 2, characterized in that, One side of the flow-out tube (13) is provided with a slot (14), and the sealing assembly (3) comprises a sealing plate (31) and a pneumatic cylinder (32). The sealing plate (31) is placed in the slot (14), one end of the sealing plate (31) corresponds to the flow-out tube (13), the other end of the sealing plate (31) is placed outside the flow-out tube (13) after passing through the slot (14), and the pneumatic cylinder (32) is installed on the flow-out tube (13). One end of the pneumatic cylinder (32) is connected with the sealing plate (31) placed outside the drainage tube (12).

4. The device for detecting stability of a foam agent of a shield tunneling machine according to claim 1, wherein the device is characterized by, The brush pipe subassembly (2) comprises a mounting frame (21), a push plate (22), a screw rod (23) and a motor (24). The mounting frame (21) is installed at the upper end of the detection tube (1), the push plate (22) is installed at the lower end of the screw rod (23), the push plate (22) corresponds to the detection tube (1), the mounting frame (21) is provided with a lifting hole (25), a limiting block (26) is installed in the lifting hole (25), the upper end of the screw rod (23) is placed at the upper end of the mounting frame (21) after passing through the lifting hole (25), the screw rod (23) is provided with a limiting groove (231), the screw rod (23) is slidably connected with the mounting frame (21) through cooperation of the limiting block (26) and the limiting groove (231), a rotating block (27) is installed on the mounting frame (21), the rotating block (27) is rotatably connected with the mounting frame (21), the rotating block (27) is provided with a threaded hole (271), the rotating block (27) is threadedly connected with the screw rod (23) through the threaded hole (271), the rotating block (27) is provided with a gear ring (272), a motor seat (28) is installed on the mounting frame (21), the motor (24) is installed on the motor seat (28), a gear (29) is installed on the motor shaft of the motor (24), and the gear (29) is engaged with the gear ring (272).

5. The apparatus for detecting stability of a foam agent of a shield tunneling machine according to claim 4, wherein the apparatus is characterized by, A plurality of spraying heads (4) are installed on the push plate (22) and are circumferentially distributed.

6. The stability detection device of a foam agent of a tunneling machine according to claim 1, characterized in that, An observation hole (15) is installed on the detection tube (1), and an observation plate (16) is installed in the observation hole (15) and matches the observation hole (15).

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